#include <stdio.h>

int main()
{
    float PI = 3.14159;
    int s, r = 5;
    s = r*r*PI;
    printf("s = %d\n", s);

    float f = 5.75;
    printf("(int)f = %d, f= %f\n", (int)f, f);
    return 0;
}

